Biomass it the oldest used fuel of the mankind (approximately 40 000years) and still today it is important worldwide source of the energy. Its proportion on the world energetic balance according to up to date source is around 16%. The highest proportion of the biomass usa...

Currently are many possibilities of computer simulation in power engineering. Demands in this branch are very specific, because there is necessary in most cases to simulate multiple technical disciplines. Not only electrical network is to solve, but also connection with mechanical equipment&...

Approach to design of outer electric lines has changed in last years very significantly. Especially new demands in branch reliability should designer keep in mind. These new requests are basis of new European and national standards. To simplify design layout, automate verification of&#x...

The paper reports on the influence of PV cells temperature on the efficiency of monocrystaline 20 kWp PV system.

The possibility of utilization of wind energy for electric generation is known. Integration of renewable energy resources in a distribution system poses the necessity of a considerable change in the coordination procedure. This article talks about current situation of renewable energy resour...

The energy generation, especially electrical energy generation from the renewable energy resources is supported. In the most lands will be the building of new wind farm and parks prepare. The European scenario from the European conference about the wind power plants (EMEC 2007) ass...

This work describes the procedure of modeling single parameters of general loads from which I chose induction motor and, of course, generator electrical energy – wind turbine. I used the program Matlab for the simulation of the connection between wind power plant and electrical�...

Number of heat pump installations is continuously increasing in European countries. Beginnings of the use in the Czech Republic are dated back to the 1990s and since that time heat pumps have been becoming more and more popular. Popularity is given by many virtues that th...

The construction of power plant’s blocks with bigger output, better parameters and with higher level of automation lay higher requirements on reliability of power blocks. The results from operation show that with increasing size of blocks the reliability goes down. This decrease is ...

This paper describes the opportunity in the energy generation and energy use by the Pilsen heat power station and their positive impact on the environment by the biomass integration for energy generation. For these reasons, environmental impact is a factor of increasing relevance a...

This paper deals with the issue of combustion of biomass in the existing fossil fuel power stations in the Czech Republic. The first parts are focused on ecological and social advantages resulting from development of renewable sources in energetic. In the next part, the influe...

The wing power used for power generation is a still a new technology especially in the Czech Republic. But this kind of power has today the highest potential from all renewable sources for power generation.

This paper deals with support and ancillary services which are provided by CEPS a. s. Czech republic System service ensured a balance between production and consumption of electricity and the quality and control of the entire electricity system. The aim of the paper is to ...

This work deals with electromagnetic interference high-voltage equipment. Are described sources of interference and their effects. Furthermore, there are practical ways to describe constraints HF noise.

This paper deals with new methods of measurement in an electrical grid. The aim of the paper is to explain the way of distant measuring and shows the hardware solutions. AMR & AMI are very important parts of the smart grid concept.

This paper describes power loss factor measuring of turbogenerator bars. Then it focuses in influence of measuring electrode setting to power loss factor magnitude. It was tested 16 measuring electrode settings. Measurements showed weaknesses in certain methodologies and therefore were proposed&#...

This article describes how can be shielding effectiveness (SE) measured and calculated. There are mentioned systems for SE measuring and possibility of their usage in our laboratory. Then there are introduced some factors influencing shielding such as holes and gaps in cover or cav...